# Database Configuration
NEXT_PUBLIC_SUPABASE_URL=your_supabase_project_url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_anon_key
SUPABASE_SERVICE_ROLE_KEY=your_supabase_service_role_key

# Authentication
NEXT_PUBLIC_GOOGLE_CLIENT_ID=your_google_oauth_client_id
GITHUB_CLIENT_ID=your_github_oauth_client_id
GITHUB_CLIENT_SECRET=your_github_oauth_client_secret

# Payment Processing
STRIPE_SECRET_KEY=sk_test_or_live_your_stripe_secret_key
STRIPE_WEBHOOK_SECRET=whsec_your_stripe_webhook_secret
NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=pk_test_or_live_your_stripe_publishable_key

# AI Services
OPENROUTER_API_KEY=your_openrouter_api_key

# Application URLs
NEXT_PUBLIC_BASE_URL=https://your-domain.vercel.app
NEXT_PUBLIC_SITE_URL=https://your-domain.vercel.app

# Background Processing & Cron Jobs
CRON_SECRET=your_secure_cron_secret_here
INTERNAL_API_TOKEN=your_internal_api_token_here

# Development
NODE_ENV=production